/**
 * Copyright (C) 2011 Angelo Zerr <angelo.zerr@gmail.com> and Pascal Leclercq <pascal.leclercq@gmail.com>
 *
 * All rights reserved.
 *
 * Permission is hereby granted, free  of charge, to any person obtaining
 * a  copy  of this  software  and  associated  documentation files  (the
 * "Software"), to  deal in  the Software without  restriction, including
 * without limitation  the rights to  use, copy, modify,  merge, publish,
 * distribute,  sublicense, and/or sell  copies of  the Software,  and to
 * permit persons to whom the Software  is furnished to do so, subject to
 * the following conditions:
 *
 * The  above  copyright  notice  and  this permission  notice  shall  be
 * included in all copies or substantial portions of the Software.
 *
 * THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
 * EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
 * MERCHANTABILITY,    FITNESS    FOR    A   PARTICULAR    PURPOSE    AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE,  ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
package fr.opensagres.xdocreport.core.io;

import java.io.IOException;
import java.io.Writer;

/**
 * Multiple writer used to write for several writer.
 * 
 */
public class MultiWriter extends Writer {

	private Writer[] writers;

	/**
	 * New MultiWriter for specified writers. Note that flush is only done on
	 * explicit call.
	 */
	public MultiWriter(Writer... writers) {
		this.writers = new Writer[writers.length];
		for (int i = 0; i < writers.length; i++) {
			this.writers[i] = writers[i];
		}
	}

	@Override
	public void write(char[] cbuf, int off, int len) throws IOException {
		for (Writer w : writers) {
			w.write(cbuf, off, len);
			w.flush();
		}
	}

	@Override
	public void flush() throws IOException {
		for (Writer w : writers) {
			w.flush();
		}
	}

	@Override
	public void close() throws IOException {
		for (Writer w : writers) {
			w.close();
		}
	}

	/**
	 * Returns writer by index.
	 * 
	 * @param index
	 * @return
	 */
	public Writer getWriter(int index) {
		return this.writers[index];
	}
}
